Conn Precision 3 vs Conn Simone Mantia 11

the Conn Precision 3 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Conn Precision 3
    • Trombone
    General
    Cup diameter
    Best suited for
    📋Musicians with large lips; all kinds of band work
    🎶Full round tone; ideal for large lips
    vs
    Mouthpiece B
      Conn Simone Mantia 11
      • Trombone
      General
      Cup diameter
      Best suited for
      📋All-around trombone and euphonium
      🎶Narrower cup than Model 10; all-around use

      Which is better?

      Both mouthpieces are categorized as "General" — the physical dimensions above will determine which suits your embouchure and playing style better.

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